Ian Castorillo

iancastorillo@gmail.com Los Angeles, CA focustender

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Work Experience

Handles Coffee

March 2026 — Present
Assistant Manager | Graphic Designer Los Angeles, CA
  • Analyzing sales and demand trends to inform product assortment and pricing decisions for a new location launch
  • Building process templates and workflows to support faster, more consistent decision-making as the team scales

DULCE USC Village

May 2020 — March 2026
Assistant Manager Los Angeles, CA
  • Managed product assortment and daily sourcing decisions across a multi-roaster coffee program, evaluating trends and quality to select the best mix for a 600-700 guest/day location generating $14,000 in average daily sales
  • Analyzed sales and inventory data to inform ordering, staffing, and pricing decisions, balancing demand with cost and availability
  • Tracked performance metrics across shifts and used findings to identify and correct inefficiencies in real time
  • Built training and process documentation to standardize operations and improve decision-making consistency across a 7-10 person team

Grifols Biological

Jun 2023 — Dec 2023
Data Analyst Intern Los Angeles, CA
  • Queried and analyzed large, historical datasets to build a KPI Tracker in Excel, surfacing performance trends and workload patterns across 15 buildings
  • Built a predictive model from years of unstructured data, turning raw records into actionable recommendations that shifted the team from reactive to proactive planning
  • Delivered findings and recommendations directly to stakeholders to support faster, data-informed decisions

NASA Micro-G NExT & NCAS

Oct 2019 — Aug 2021
Student Researcher and Team Lead Los Angeles, CA
  • Conducted structured, hypothesis-driven analysis of microgravity experiment concepts with a cross-functional student team, earning a spot in a national competition

Education

University of Southern California

December 2025
B.S. Mathematics Los Angeles, CA

Skills & Interests

Skills: Data-Driven Decision Making, Retail & Assortment Analysis, Trend & Competitive Research, Process Improvement, Illustrator, Photoshop, InDesign

Technical: SQL, Python, Excel (Dashboards, KPI Tracking & Reporting)

Projects

For Garnish (Cocktail Pop-Up Service)

  • Applied pricing and demand analysis to plan a 14-item menu and sell out two ticketed pop-up events (60 tickets each), managing vendor sourcing and budget